package cn.wolfcode.rbac.service.impl;

import cn.wolfcode.rbac.domain.Classinfo;
import cn.wolfcode.rbac.mapper.ClassinfoMapper;
import cn.wolfcode.rbac.query.QueryObject;
import cn.wolfcode.rbac.service.IClassinfoService;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class ClassinfoServiceImpl implements IClassinfoService {

    @Autowired
    private ClassinfoMapper classinfoMapper;

    @Override
    public void delete(Long id) {
        classinfoMapper.deleteByPrimaryKey(id);
    }

    @Override
    public void save(Classinfo classinfo) {
        classinfoMapper.insert(classinfo);
    }

    @Override
    public Classinfo get(Long id) {
        return classinfoMapper.selectByPrimaryKey(id);
    }

    @Override
    public List<Classinfo> listAll() {
        return classinfoMapper.selectAll();
    }

    @Override
    public void update(Classinfo classinfo) {
        classinfoMapper.updateByPrimaryKey(classinfo);
    }

    @Override
    public PageInfo query(QueryObject qo) {
        /*int count = classinfoMapper.selectForCount(qo);
        // 判断是否有数据
        if(count == 0){
            return new PageResult(qo.getPageSize());
        }*/
        PageHelper.startPage(qo.getCurrentPage(),qo.getPageSize());  // 返回页码和每页数量

        // 查询结果集
        List<Classinfo> list = classinfoMapper.selectForList(qo);
//        return new PageResult(qo.getCurrentPage(),count,list,qo.getPageSize());
        return new PageInfo(list);
    }
}
